From the numbers between 11 and -14
Number of terms: 6
First term: -14
6th term = 11
a + (n-1)d = -14
11 + (6-1)d = -14
11 + 5d = -14
5d = -25, d = -5
From 11 you subtract 5 to the left
d = 6, c = 1, b = -4, a = -9
Which is the smallest non-negative?
Solution: c
